Underpinning and Breach Abatement
Water Infiltration Behind Concrete Structures
When soil around a concrete structure is compromised and water is able to sink in, the longevity of the concrete can become compromised. Failure to act could result in slowly diminishing structural integrity of the concrete, but a corrective measure could be far out of budget. When stuck with this dilemma, JACKCRETE can help save concrete at a reasonable price and with next to no downtime needed. For most of our concrete underpinning projects, work can be completed in 1-4 days with minimal intrusion. Most other alternatives are 1-2 weeks at a minimum, and require the structure be out of commission for the majority of that timeframe.
Concrete Underpinning With JACKCRETE Spray Foam
By determining the affected areas and injecting in a grid pattern with slow-expanding hydrophobic polyurethane, the voids present beneath the soil can be eradicated and the concrete structure reinforced with a layer of our material. By drilling relief holes our team is able to expel all water from the void prior to it being reinforced. The end result is a healthy concrete structure with a reinforced substrate that is resilient to further water infiltration.
Working With JACKCRETE
For municipalities and government entities in Virginia, soliciting work from JACKCRETE couldn’t be easier! With cooperative clauses in two of our current contracts, other cities and departments are able to issue Purchase Orders referencing our other contracts without the hassle of putting the work out to bid. It really couldn’t be easier- that’s why our current and previous clients include the cities of Virginia Beach, Norfolk, Chesapeake, Portsmouth, Hampton, Newport News, Arlington, and Alexandria, among many others.


Previous Foam Underpinning Projects
Underpinning a Coal Terminal Tunnel
At a busy coal terminal in Newport News, Virginia, an underground vehicle access tunnel beneath an active railroad was suffering from severe water intrusion. Standing water on the tunnel floor and visible leaks along the walls created hazardous driving conditions, especially during winter when ice would render the passage unusable.
Tunnel Approach Concrete Underpinning
The Midtown Tunnel was starting to leak water through the concrete approach slabs. Instead of weeks of downtime, tremendous amounts of expenses, and tons of heavy construction work, JACKCRETE was able to provide a solution in a few weekends at a fraction of the cost.
Saving Time, Money, and Critical Infrastructure
1
Significant Cost Savings
JACKCRETE foam underpinning is a small fraction of the cost of basically any other potential solution. Less time, less intrusion, and far less cost involved.
2
Minimal Downtime
No heavy equipment, and no excavation. Our work involves our trailer, crew, and some handheld equipment. Within minutes of our last injection, our work is completed.
3
Warranted Results
If there are any further issues with the structure, JACKCRETE will come and provide repairs. Our warranty is good for 2 years after work completion.
Free Inspection, Assessment, and Repair Estimate
An SPFA certified project manager will meet you on-site to discuss your repairs. Measurements will be taken and the compromised infrastructure will be inspected to insure it is a good candidate for our service. Once back to the office, a proposal will be drafted and sent to you for approval. Our team will be here should you have any questions.

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Foam Underpinning Resources and Considerations
Underpinning is complicated, but we strive to make it simple to understand. Take some time to review our info on JACKCRETE polyurethanes and the concrete underpinning process. If you still have some questions, you’re always free to give our team a call.
